FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/ffv1_template.c
Date: 2021-09-26 18:22:30
Exec Total Coverage
Lines: 14 21 66.7%
Branches: 0 0 -%

Line Branch Exec Source
1 /*
2 * FFV1 codec
3 *
4 * Copyright (c) 2003-2013 Michael Niedermayer <michaelni@gmx.at>
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 978471338 static inline int RENAME(predict)(TYPE *src, TYPE *last)
24 {
25 978471338 const int LT = last[-1];
26 978471338 const int T = last[0];
27 978471338 const int L = src[-1];
28
29 978471338 return mid_pred(L, L + T - LT, T);
30 }
31
32 489235163 static inline int RENAME(get_context)(PlaneContext *p, TYPE *src,
33 TYPE *last, TYPE *last2)
34 {
35 489235163 const int LT = last[-1];
36 489235163 const int T = last[0];
37 489235163 const int RT = last[1];
38 489235163 const int L = src[-1];
39
40 489235163 if (p->quant_table[3][127] || p->quant_table[4][127]) {
41 const int TT = last2[0];
42 const int LL = src[-2];
43 return p->quant_table[0][(L - LT) & 0xFF] +
44 p->quant_table[1][(LT - T) & 0xFF] +
45 p->quant_table[2][(T - RT) & 0xFF] +
46 p->quant_table[3][(LL - L) & 0xFF] +
47 p->quant_table[4][(TT - T) & 0xFF];
48 } else
49 489235163 return p->quant_table[0][(L - LT) & 0xFF] +
50 489235163 p->quant_table[1][(LT - T) & 0xFF] +
51 489235163 p->quant_table[2][(T - RT) & 0xFF];
52 }
53
54